11133423 has 16 divisors (see below), whose sum is σ = 18850560. Its totient is φ = 6361848.

The previous prime is 11133413. The next prime is 11133443. The reversal of 11133423 is 32433111.

It is not a de Polignac number, because 11133423 - 2⁹ = 11132911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133396 and 11133405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29265 + ... + 29642.

It is an arithmetic number, because the mean of its divisors is an integer number (1178160).

Almost surely, 2^11133423 is an apocalyptic number.

11133423 is a deficient number, since it is larger than the sum of its proper divisors (7717137).

11133423 is an equidigital number, since it uses as much as digits as its factorization.

11133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58923 (or 58917 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 11133423 is about 3336.6784382077. The cubic root of 11133423 is about 223.2935799642.

Adding to 11133423 its reverse (32433111), we get a palindrome (43566534).

The spelling of 11133423 in words is "eleven million, one hundred thirty-three thousand, four hundred twenty-three".